The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2017
Filed:
Sep. 19, 2014
Philips Lighting Holding B.v., Eindhoven, NL;
Julia Delos Ayllon, Eindhoven, NL;
Toni Lopez, Eindhoven, NL;
Machiel Antonius Martinus Hendrix, Eindhoven, NL;
Eduardo-Jose Alarcon-Cot, Eindhoven, NL;
PHILIPS LIGHING HOLDING B.V., Eindhoven, NL;
Abstract
The current invention relates to a LED driver () for driving at least two LED strings () comprising: a dual output power converter () for converting an input voltage (Vin) into two different output voltages for driving two sets of said at least two LED strings (), a controller () for controlling the dual output power converter () based on at least one input set point, the dual output converter () comprising a switched capacitor converter comprising a plurality of switches, a plurality of capacitors, the outputs of the dual output power converter () being connected to internal nodes of the dual power converter (), the controller () being further adapted to deliver PWM output control signals for driving the switches, the duty cycle of which being a function of said at least one input set point. The invention also relates to a lighting system () comprising such a driver ().